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AR# 39413

LogiCORE IP Video Timing Controller - What signals are needed for the timing to be correctly detected and regenerated?

Description

What signals are needed for the timing to be correctly detected and regenerated?

Solution

There is a minimum set of signals that must be present in order for the core to properly detect the input timing and regenerate it.

You must select these in the Timing Detection section of the core interface and also provide these signals when connecting up the core. 

The Active Chroma is always an option and can be used with any of the combinations below.

It can regenerate Vertical Blank, Horizontal Blank and Active Video, if you provide the following inputs:

  • Vertical Blank and Horizontal Blank
  • Vertical Blank, Horizontal Blank, and Active Video

It can generate Vertical Blank, Horizontal Blank, Vertical Sync, Horizontal Sync, and Active Video, if you have the following input combinations:

  • Vertical Sync, Horizontal Sync, and Active Video
  • Vertical Blank, Horizontal Blank, Vertical Sync, Horizontal Sync, and Active Video

For a detailed list of LogiCORE IP Video Timing Controller Release Notes and Known Issues, see (Xilinx Answer 32754).

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AR# 39413
Date Created 12/01/2010
Last Updated 08/05/2014
Status Active
Type General Article
IP
  • Video Timing Controller